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<?php
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// $Id: mmedia.module,v 1.1.2.4 2009/02/02 12:13:27 casey Exp $
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/**
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* @file
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* Media Management Module that allows the creation and management of media as files.
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*/
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// For specific media
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define('MEDIA_PATH', trim(variable_get('mmedia_url', 'media'), '/'));
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define('MEDIA_ARG', count(explode('/', MMEDIA_PATH)) - 1);
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// For specific folders
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define('FOLDER_PATH', trim(variable_get('mmedia_folder_url', 'folder'), '/'));
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define('FOLDER_ARG', count(explode('/', FOLDER_PATH)) - 1);
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// Install the API immediately
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$path = drupal_get_path('module', 'mmedia');
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require_once $path .'/API/hooks.inc';
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require_once $path .'/API/media.inc';
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require_once $path .'/API/file.inc';
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require_once $path .'/API/folder.inc';
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require_once $path .'/API/form.inc';
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/**
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* Implementation of hook_init().
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*/
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function mmedia_init() {
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$path = drupal_get_path('module', 'mmedia');
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// Load module support additions
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$files = drupal_system_listing('.*\.inc$', $path .'/modules', 'name', 0);
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foreach ($files as $module => $file) {
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if (module_exists($module)) {
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require_once($file->filename);
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}
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}
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}
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/**
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* Implementation of hook_perm().
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*/
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function mmedia_perm() {
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$perms = array(
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'administer media',
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'manage media',
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'manage own media',
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'access media',
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'manage media folder',
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'manage own media folder',
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'access media folder',
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'upload media',
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);
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return $perms;
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}
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/**
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* Implementation of hook_theme().
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*/
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function mmedia_theme() {
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return array(
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'media_view' => array(
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'template' => 'media-view',
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'arguments' => array('display' => '', 'filename' => NULL, 'media' => NULL),
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),
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);
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}
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/**
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* Implementation of hook_menu().
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*/
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function mmedia_menu() {
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include drupal_get_path('module', 'mmedia') .'/media.menu.inc';
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return $items;
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}
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/**
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* Implementation of hook_mapi_workspaces().
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*/
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function mmedia_mapi_workspaces() {
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// check that the files exist
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$base = file_directory_path() .'/'. variable_get('mmedia_dir_public', 'media');
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$private = variable_get('mmedia_dir_private', '../media');
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$temp = file_directory_path() .'/'. variable_get('mmedia_dir_temp', 'temp');
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// check that base directory exists
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if (!is_dir($base) && !mapi_directory_check($base, array('create' => TRUE))) {
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mapi_error('Unable to create directory %dir.', array('%dir' => $base));
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}
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// check that the temporary directory exists
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if (!is_dir($temp) && !mapi_directory_check($temp, array('create' => TRUE))) {
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mapi_error('Unable to create directory %dir.', array('%dir' => $temp));
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}
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$dirs = array('base' => $base, 'temp' => $temp);
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// check the private directory
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if (variable_get('mmedia_private', FALSE)) {
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$private = variable_get('mmedia_dir_private', '../media');
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if (!is_dir($private) && !is_writeable($private)) {
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mapi_error('Unable to locate a writeable directory %dir.', array('%dir' => $private));
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}
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$dirs['private'] = $private;
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}
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return $dirs;
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}
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/**
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* Implementation of hook_media().
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*/
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function mmedia_media($op, &$media, $data) {
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switch ($op) {
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case 'move':
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// in the case of movement, we move the generated derivatives
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if (module_exists('mapi_derivatives')) {
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mapi_generated_moveall($media->old_filename, media_filename($media), $media->path, 'mmedia');
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}
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break;
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case 'delete':
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// we make sure the generated derivatives are deleted for a media delete
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if (module_exists('mapi_derivatives')) {
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mapi_generated_flush(media_filename($media));
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}
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break;
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}
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}
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/**
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* Implementation of hook_media_metadata().
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*/
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function mmedia_media_metadata($op, &$metadata, $data) {
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include drupal_get_path('module', 'mmedia') .'/media.metadata.inc';
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return isset($form) ? $form : array();
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}
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/**
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* Implementation of hook_mapi_extensions()
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*/
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function mmedia_mapi_extensions($op, $filename) {
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static $cache = array();
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switch ($op) {
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case 'filename dimensions':
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// cache the file dimensions request once
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if (!array_key_exists($filename, $cache)) {
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$ext = mapi_file_ext($filename);
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$path = mapi_file_path($filename);
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$name = mapi_file_name($filename);
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$mid = db_result(db_query("SELECT mid FROM {media} WHERE path = '%s' AND name = '%s' AND ext = '%s'", $path, $name, $ext));
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$cache[$filename] = $mid;
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}
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// only return those dimensions that actually exist
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if ($cache[$filename]) {
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$media = media_load($cache[$filename]);
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return $media->dimensions;
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}
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break;
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case 'filename metadata':
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// cache the file dimensions request once
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if (!array_key_exists($filename, $cache)) {
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$ext = mapi_file_ext($filename);
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$path = mapi_file_path($filename);
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$name = mapi_file_name($filename);
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$mid = db_result(db_query("SELECT mid FROM {media} WHERE path = '%s' AND name = '%s' AND ext = '%s'", $path, $name, $ext));
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$cache[$filename] = $mid;
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}
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// only return those dimensions that actually exist
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if ($cache[$filename]) {
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$meta = media_metadata_load($cache[$filename]);
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return $meta;
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}
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break;
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}
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}
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/**
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* Menu Helper function title
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*/
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function _mmedia_title($media) {
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return $media->title;
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}
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/**
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* Menu Helper function folder title
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*/
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function _mmedia_folder_title($folder) {
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return $folder->name;
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}
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/**
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* Set the current breadcrumb to represent where the media item is located.
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*/
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function _mmedia_set_breadcrumb($parent) {
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// load the entire sequence of folders for the parent
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$list = array(
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l(t('Home'), NULL),
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l(t('Folders'), FOLDER_PATH),
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);
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$parents = array_filter(explode('/', $parent->lineage));
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$paths = array_filter(explode('/', $parent->path));
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while ($fid = array_shift($parents)) {
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$name = array_shift($paths);
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$list[] = l($name, FOLDER_PATH .'/'. $fid);
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}
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if ($parent->fid) {
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$list[] = l($parent->name, FOLDER_PATH .'/'. $parent->fid);
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}
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return $list;
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}
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/**
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* Determines access capability
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*/
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function _mmedia_access($media, $type) {
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if (user_access('administer media')) {
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return TRUE;
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}
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global $user;
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switch ($type) {
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case 'access':
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return user_access('access media');
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break;
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case 'manage':
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if (user_access('manage own media') && $media->uid == $user->uid) {
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return TRUE;
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}
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return user_access('manage media');
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break;
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case 'upload':
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return user_access('upload media');
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break;
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}
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}
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/**
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* Determines access capability
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*/
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function _mmedia_folder_access($folder, $type) {
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if (user_access('administer media')) {
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return TRUE;
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}
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global $user;
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switch ($type) {
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case 'access':
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return user_access('access media');
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break;
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case 'manage':
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if (user_access('manage own media folder') && $folder->uid == $user->uid) {
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return TRUE;
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}
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return user_access('manage media folder');
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break;
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}
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}
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